Subfloor



1. Subfloor

Figure 1.1 is a top perspective view of a subfloor;

Figure 1.2 is a bottom perspective view thereof;

Figure 1.3 is a top view thereof;

Figure 1.4 is a bottom view thereof; and

Figure 1.5 is a right side view thereof, with all other side views being a mirror image thereof.

The present new ornamental design relates to a subfloor and particularly to a portion of a sheet for subfloors including protrusions. The design is used for underfloor heating systems or embedded in walls of buildings. 

CLAIM The ornamental design for a subfloor, as shown and described. 